president hassan rouhani reportedly said iran will work with russia to avoid a strike if possible. earlier i spoke from someone from the plowshares fund, a foundation aimed at preventing the use of weapons of mass destruction. i asked him how he thinks iran will get involved. >> iran's political changes have been fascinating to watch. in washington there has been a perception that iranian politics will be different now going forward, certainly on the nuclear negotiations. that is the backdrop for the debate on syria. there is concern among many in the expert community that this new put until opening with iran could be close if military operation in syria is not go the right direction. we have seen moves by the administration to try to soft and the rhetoric. the president of iran has put out some tweets that imply that chemical weapons are, from his perspective, something to be deplored. it is unclear how this is going to unfold. certainly iran as a player in the region and it is going to have a vote in what happens in syria. the key is to try to figure out how to play a constructiv